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How many moles of oxygen gas are needed to produce 4 moles of carbon dioxide gas?

How many moles of oxygen gas are needed to produce 4 moles of carbon dioxide gas?
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How many moles of oxygen gas are needed to produce 4 moles of carbon dioxide gas?

User Hsnkvk
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Answer: 8 moles
Explanation:
Nc2H6= 4 mol
2C2H6 + 7O2 → 4CO2+6H2O
CO2=4/2⋅4
NCO2= 8 moles
( I write this on paper so the letters and format might be confusing) sorry!!
User Catty
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